1166603257392 has 20 divisors (see below), whose sum is σ = 3013725081720. Its totient is φ = 388867752448.

The previous prime is 1166603257381. The next prime is 1166603257397. The reversal of 1166603257392 is 2937523066611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1166603257397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12152117217 + ... + 12152117312.

It is an arithmetic number, because the mean of its divisors is an integer number (150686254086).

Almost surely, 2^{1166603257392} is an apocalyptic number.

1166603257392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1166603257392 is an abundant number, since it is smaller than the sum of its proper divisors (1847121824328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1166603257392 is a wasteful number, since it uses less digits than its factorization.

1166603257392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24304234540 (or 24304234534 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 1166603257392 in words is "one trillion, one hundred sixty-six billion, six hundred three million, two hundred fifty-seven thousand, three hundred ninety-two".